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Tekcom TM-338 Owner's Manual

25/1 watt vhf/fm
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TM- 338UD
Date: Jan 7,03
Tekcom
OPERATOR WARNING
TEKCOM requires the radio operator to meet the requirements for Radio
Owner's Manual
Frequency Exposure. Unauthorized changes or modifications to this
equipment may void compliance with ETSI Rules. Any changes or
modification must be approved in writing by TEKCOM Corp.
TM-338 Marine Radio
This equipment has been tested and licensed to comply with the limits for
Class D Digital Marine Devices. These limits are designed to provide
25/1 Watt VHF/FM Marine Radio
reasonable protection against harmful interference in a residential
installation. This equipment can generate or radiate radio frequency
energy and, if not installed and used in accordance with the instructions,
may cause harmful interference to radio communications and human
body. Never transmit before you make sure the antenna is properly
located.
This device is only an aid to navigation. Its performance may be affected
by many factors: including equipment failure or defects, environmental,
and improper handling or use. It is the user's responsibility to exercise
common prudence and navigational judgement, and this device should
not be relied upon as a substitute for such prudence and judgement.
Your TEKCOM VHF radio generates and radiates radio frequency (RF)
electromagnetic energy (EME). This equipment must be installed and
operated in accordance with the instructions contained in this handbook.
Failure to do so can result in personal injury and/or product malfunction.

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  • Page 1 TM- 338UD Date: Jan 7,03 Tekcom OPERATOR WARNING TEKCOM requires the radio operator to meet the requirements for Radio Owner’s Manual Frequency Exposure. Unauthorized changes or modifications to this equipment may void compliance with ETSI Rules. Any changes or modification must be approved in writing by TEKCOM Corp.

  • Page 2: Table Of Contents

    DIGITAL SELECTIVE CALLING…………………………………19 Introduction………………………………………………………………..19 TABLE OF CONTENTS DSC Menu Navigation…………………………………………………19 Sending a DSC Call…………………...…………………………………19 EQUIPMENT DESCRIPTION………………………………………1 Receiving a DSC Call Introduction………………………………………………………………..1 ETSI Information…………………………………………………………2 ET-UP MENUS ……………………………………………………29 Description……………………………………………………………...29 CONTROLS AND LCD DISPLAY…………………………………3 DSC Mode Adjustment………………………………………………...30 Controls and Connections Call Log Operation…………………………….…………………………31 Base Station (Panel) Backlight Adjustment………………………….…………………………31 Base Station (Rear)

  • Page 3: Equipment Description

    20 nautical miles. EQUIPMENT DESCRIPTION INTRODUCTION Congratulations on your purchase of TEKCOM’s *** marine band radio. *** is a VHF DSC Base Station Radio with output power of 23/1 watt. It should be powered by a 13.8VDC power supply.

  • Page 4: Controls And Lcd Display

    selected item. See DSC Operation for detailed description. CONTROLS AND LCD DISPLAY CONTROLS AND CONNECTIONS Band: Press and release BAND button to enter normal VHF Mode (USA and INT bands). Successive press and release toggles between USA and INT 2.1.1 BASE STATION (PANEL) band.

  • Page 5: Base Station (Rear)

    Scan: Pressing and releasing SCAN button (for less than 1 second) to activate scanning. Scan mode is either in Normal (Scan 1,2,3,4...) or Priority 2.1.2 BASE STATION (REAR) (Scan 1,16,2,16,3,16...) depending on user’s programming. A text appears on the display to indicate the Scan Function is active.

  • Page 6: Handset

    2.1.3 HANDSET LIQUID CRYSTAL DISPLAY Channel Up/Channel Down: 2 Keys, press and release to change channel. 16:/9 Press and release 16/9 button to select channel 16 first; further presses of 16/9 toggle between channels 16 and 9. Hi/Low: Press and release HI/LO button to toggle between 23 Watt power output and 1 watt output.

  • Page 7: Installation

    INSTALLATION LOCATION To more conveniently and efficiently use your marine radio, find a mounting SUPPLIED ACCESSORIES location that: Manufacturer supplies you the following accessories as soon as you purchase Is far enough from any compass like devices to avoid any interference this *** marine radio: caused by the speaker magnet in your radio during their operation;...

  • Page 8: Mounting The Radio

    Insert the four fixing screws and secure the bracket to mounting surface using the supplied bolts, spring washers, plain washers and nuts; ANTENNA A very important part for the performance of any communication system is a Caution: if you can not reach behind the mounting surface to attach the nut on the bolts, use the supplied self-tapping screws to fasten the bracket.

  • Page 10: Basic Operation

    BASIC OPERATION TRANSMISSION AND RECEPTION L CAUTION: Transmitting without an antenna may damage the radio. After the radio has been installed, make sure of the power supply and antenna being properly connected. Rotate the VOLUME/POWER knob clockwise to turn Press the PTT (Push- To- Talk) button on the handset, the TX indicator on on the radio and select a comfortable volume level.

  • Page 11: Function Description

    appears on the display. See DSC Operation for Pressing and holding SCAN button for greater complete description of DSC function. than 1 second toggles the Scan Function between normal and priority scan. When the scan Distress: Open the protection cover, then press and release the programming function changes, an audible tone is DISTRESS button to enter distress Mode.

  • Page 12: Position Indication

    If no GPS receiver is connected. After to turn on power, LCD display POSITION INDICATION time go on according to the radio unit’ s clock time for 10 mi n LCD Your transceiver can display the position of the vessel’s (longitude and latitude) display appears ”PLEASE INPUT POSITION”...

  • Page 13: Sending A Dsc Call

    function (except a Distress Call) and changes to the Mode of operation display ceases to flash, the acoustic alarm goes to a continuous tone until accordingly. acknowledgement received or press any key is pressed to terminate the acoustic alarm During the distress call sequence, the Distress Cancellation menu is present SENDING A DSC CALL in the Text Area of the Display.
  • Page 14 5.3.2.1 Send an All Ships Call Press the Channel/Select knob to confirm the sending; or press 16 key to quit. All Ships calls are initiated with the f ollowing procedures. Note: Pressing the DSC key at any time aborts the current function and selects the Send Call Main Menu.
  • Page 15 the Channel/Select knob to enter the digit and advance to the next. At the Note: Pressing the DSC key at any time aborts the current function and selects the Send Call Main Menu. end the MMSI number, the Text Area of the display reconfigures to show the “select ch “...

  • Page 16: Receiving A Dsc Call

    5.3.4.1. Re-sending an Individual Call If the call is acknowledged with unable to comply, the text area will display “UNABLE TO ACKNOWLEDGED” and pressing Channel/Select key may 1. From the Try Again Confirmation menu, select "YES" and push the enter “re-send.” menu item. Channel/Select key to send again.
  • Page 17 When position data is included within the signal, it is displayed in the Text Area of the LCD. 5.4.3 ALL SHIPS CALL When an All Ships Call is received, the Base Station automatically tunes to the Channel 16, and the Emergency Alarm Tone Sounds. Press any key to disable the alarm.

  • Page 18: Et-Up Menus

    Position Selects the position setting to enter longitude and SET-UP MENU latitude. DESCRIPTION UTC Time Selects the UTC time to enter the time. A series of set up selections are available in a special mode accessed at start-up. To enter SET UP operation, press and hold DSC key for greater than 1 second at Contrast Selects display contrast setting: 1- 4 levels.

  • Page 19: Call Log Operation

    Rotate the Channel/Select knob to adjust the setting. Press the When the GPS alarm function is enabled, the radio will alarm if no Channel/Select knob to permanently enter the setting and return to the Set- navigation data is received. Up Menu. BUDDY LIST ENTRY Press and hold DSC key to display the Set Up menu.

  • Page 20: Delete Buddy List

    The characters available in the digit string are 0- 9 AND "<" (back arrow). The Confirmation Menu appears. Selecting the "<" and pushing the Channel/Select knob selects the previous From the Confirmation Menu, select “YES” and push Channel/Select to character in the MMSI for editing. delete the name and return to the Set-Up Main Menu.

  • Page 21: Utc Time

    UTC TIME 6.10 ALARM ADJUSTMENT Press and hold down DSC key to display the Set Up menu. Press and hold DSC key to display the Set Up menu. Rotate the Channel/Select knob to select UTC “TIME”. Rotate the Channel/Select knob to select “KEY BEEP”. Press the Push the Channel/Select knob to enter into TIME adjustment, when last Channel/Select knob to select Key Beep for adjustment.

  • Page 22: User Mmsi Entry

    enter the setting and return to the Set-Up Menu. 6.13 GROUP MMSI ENTRY The procedures are same as that of user’s MMSI entry. 6.12 USER MMSI ENTRY Press and hold DSC key to display the Set Up menu. Rotate the Channel/Select knob to select “USER MMSI”. Press the Channel/Select knob to select User MMSI for adjustment.
  • Page 23 From the Confirmation Menu, select “YES” and press Channel/Select to reset the category, and return to the Set- Up Main Menu. Select “NO” to abort function and return to the Set- Up Main Menu. All features are returned to factor y settings, except User MMSI, GROUP MMSI and Buddy List.

  • Page 24: Maintenance

    MAINTENANCE SPECIFICATION Your VHF Marine Radio *** is a marine radio of water proof who can meet the requirement of JIS level 7, gives you a good reliability when using in marine TX Frequency…………………………...………156.050 ~ 157.425 MHz circumstance. RX Frequency.....………………………….156.025 ~162.025 MHz Channels......…………………………..55 USA Channels The equipment is designed to be maintenance free.

  • Page 25: Channel List

    CHANNEL LIST 64A 156.225 156.225 64 156.225 160.825 65A 156.275 156.275 65 156.275 160.875 Frequency(MHz) Frequency(MHz) 66A 156.325 156.325 66 156.325 160.925 Mode Remark Mode Remark 01A 156.050 156.050 01 156.050 160.650 156.375 156.375 67 156.375 156.375 156.425 156.425 68 156.425 156.425 02 156.100 160.700 03A 156.150 156.150 03 156.150 160.750...

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